$ git clone -n https://src.fedoraproject.org/rpms/xfce4-appfinder.git /var/lib/mock/f45-build-38936-730/root/chroot_tmpdir/scmroot/xfce4-appfinder
Cloning into '/var/lib/mock/f45-build-38936-730/root/chroot_tmpdir/scmroot/xfce4-appfinder'...
$ git fetch origin e1c7a936857c9210d606e070b0c754be6ab89634:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xfce4-appfinder
 * [new ref]         e1c7a936857c9210d606e070b0c754be6ab89634 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e1c7a93 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild